Language 490.0 70.0 Text Set 820.0 440.0 Text 510.0 470.0 Act of Production 130.0 110.0 Act of Consumption 120.0 360.0 Agent 20.0 220.0 Information Set 470.0 230.0 Semantics 670.0 150.0 or Expression or Instance or Node or Document 220.0 470.0 Information 210.0 240.0 Syntax 820.0 320.0 Act of Interpretation 480.0 340.0 Language Description 870.0 140.0 There can be multiple descriptions per language, e.g. in BNF, regexp, C, etc. Includes syntax and semantics. 870.0 30.0 956.0083681642122 138.5929291125633 string_set 1 1 1 1 producer 1 * consumer 1 * 1 1 text 1 * impact 1 intent 1 in * * specifies specifies